ryu: Add TPS65913 regs/init for VDD_CPU 1.0V

Other default slams should be added later to the init table
once we know what the kernel touches. But for now, only VDD_CPU
is needed.

Also slipped in a minor name change in mainboard.c

BRANCH=none
BUG=none
TEST=none, no HW here for me to test on yet

Change-Id: Ifbe86192449ed0466085808a0a12a15a7b6a1795
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/208385
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 53b332fb12cd685fbec265695333a70c4064524c)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/8645
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

3 files changed, 83 insertions, 69 deletions

diff --git a/src/mainboard/google/rush_ryu/mainboard.c b/src/mainboard/google/rush_ryu/mainboard.c
index 9b8e354b62..dff5954466 100644
--- a/src/mainboard/google/rush_ryu/mainboard.c
+++ b/src/mainboard/google/rush_ryu/mainboard.c
@@ -30,6 +30,6 @@ static void mainboard_enable(device_t dev)
 }
 
 struct chip_operations mainboard_ops = {
-        .name   = "rush",
+        .name   = "rush_ryu",
         .enable_dev = mainboard_enable,
 };
diff --git a/src/mainboard/google/rush_ryu/pmic.c b/src/mainboard/google/rush_ryu/pmic.c
index 5fc3b176f4..8d5ea7aeec 100644
--- a/src/mainboard/google/rush_ryu/pmic.c
+++ b/src/mainboard/google/rush_ryu/pmic.c
@@ -23,45 +23,31 @@
 #include <device/i2c.h>
 #include <stdint.h>
 #include <stdlib.h>
-
-#include "boardid.h"
 #include "pmic.h"
 #include "reset.h"
 
+/* A44/Ryu has a TI 65913 PMIC on bus 4 (PWR_I2C) */
+
 enum {
-	AS3722_I2C_ADDR = 0x40
+	TI65913_I2C_ADDR = 0x58
 };
 
-struct as3722_init_reg {
+struct ti65913_init_reg {
 	u8 reg;
 	u8 val;
 	u8 delay;
 };
 
-static struct as3722_init_reg init_list[] = {
-	{AS3722_SDO0, 0x3C, 1},
-	{AS3722_SDO1, 0x32, 0},
-	{AS3722_LDO3, 0x59, 0},
-	{AS3722_SDO2, 0x3C, 0},
-	{AS3722_SDO3, 0x00, 0},
-	{AS3722_SDO4, 0x00, 0},
-	{AS3722_SDO5, 0x50, 0},
-	{AS3722_SDO6, 0x28, 1},
-	{AS3722_LDO0, 0x8A, 0},
-	{AS3722_LDO1, 0x00, 0},
-	{AS3722_LDO2, 0x10, 0},
-	{AS3722_LDO4, 0x00, 0},
-	{AS3722_LDO5, 0x00, 0},
-	{AS3722_LDO6, 0x00, 0},
-	{AS3722_LDO7, 0x00, 0},
-	{AS3722_LDO9, 0x00, 0},
-	{AS3722_LDO10, 0x00, 0},
-	{AS3722_LDO11, 0x00, 1},
+static struct ti65913_init_reg init_list[] = {
+//TODO(twarren@nvidia.com): Add slams back to defaults
+//	{TI65913_SMPS12_CTRL, 0x01, 0},
+//	{TI65913_SMPS12_VOLTAGE, 0x38, 0},
+//etc.
 };
 
 static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int delay)
 {
-	if (i2c_writeb(bus, AS3722_I2C_ADDR, reg, val)) {
+	if (i2c_writeb(bus, TI65913_I2C_ADDR, reg, val)) {
 		printk(BIOS_ERR, "%s: reg = 0x%02X, value = 0x%02X failed!\n",
 			__func__, reg, val);
 		/* Reset the SoC on any PMIC write error */
@@ -75,38 +61,23 @@ static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int delay)
 static void pmic_slam_defaults(unsigned bus)
 {
 	int i;
+
 	for (i = 0; i < ARRAY_SIZE(init_list); i++) {
-		struct as3722_init_reg *reg = &init_list[i];
+		struct ti65913_init_reg *reg = &init_list[i];
 		pmic_write_reg(bus, reg->reg, reg->val, reg->delay);
 	}
 }
 
 void pmic_init(unsigned bus)
 {
-	/*
-	 * Don't need to set up VDD_CORE - already done - by OTP
-	 * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled.
-	 * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled.
-	 */
+	/* Don't need to set up VDD_CORE - already done - by EC ?? */
 
 	/* Restore PMIC POR defaults, in case kernel changed 'em */
 	pmic_slam_defaults(bus);
 
-	/* SDO0: Set VDD_CPU to 1.2V. */
-	pmic_write_reg(bus, 0x00, 0x50, 1);
-
-	/* SDO6: Set VDD_GPU to 1.0V. */
-	pmic_write_reg(bus, 0x06, 0x28, 1);
-
-	/* LDO2: Set +1.2V_GEN_AVDD to 1.2V */
-	pmic_write_reg(bus, 0x12, 0x10, 1);
-
-	/*
-	 * Panel power GPIO O4. Set mode for GPIO4 (0x0c to 7), then set
-	 * the value (register 0x20 bit 4)
-	 */
-	pmic_write_reg(bus, 0x0c, 0x07, 0);
-	pmic_write_reg(bus, 0x20, 0x10, 1);
+	/* A44: Set VDD_CPU to 1.0V. */
+	pmic_write_reg(bus, TI65913_SMPS12_CTRL, 0x01, 1);
+	pmic_write_reg(bus, TI65913_SMPS12_VOLTAGE, 0x38, 0);
 
 	printk(BIOS_DEBUG, "PMIC init done\n");
 }
diff --git a/src/mainboard/google/rush_ryu/pmic.h b/src/mainboard/google/rush_ryu/pmic.h
index b56c513416..1f102a70c2 100644
--- a/src/mainboard/google/rush_ryu/pmic.h
+++ b/src/mainboard/google/rush_ryu/pmic.h
@@ -17,32 +17,75 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef __MAINBOARD_GOOGLE_RUSH_PMIC_H__
-#define __MAINBOARD_GOOGLE_RUSH_PMIC_H__
+#ifndef __MAINBOARD_GOOGLE_RUSH_RYU_PMIC_H__
+#define __MAINBOARD_GOOGLE_RUSH_RYU_PMIC_H__
 
+/* A44/Ryu has a TI 65913 PMIC */
 enum {
-	AS3722_SDO0 = 0,
-	AS3722_SDO1,
-	AS3722_SDO2,
-	AS3722_SDO3,
-	AS3722_SDO4,
-	AS3722_SDO5,
-	AS3722_SDO6,
-
-	AS3722_LDO0 = 0x10,
-	AS3722_LDO1,
-	AS3722_LDO2,
-	AS3722_LDO3,
-	AS3722_LDO4,
-	AS3722_LDO5,
-	AS3722_LDO6,
-	AS3722_LDO7,
-
-	AS3722_LDO9 = 0x19,
-	AS3722_LDO10,
-	AS3722_LDO11,
+	TI65913_SMPS12_CTRL = 0x20,
+	TI65913_SMPS12_TSTEP,
+	TI65913_SMPS12_FORCE,
+	TI65913_SMPS12_VOLTAGE,
+
+	TI65913_SMPS3_CTRL,
+	TI65913_SMPS3_VOLTAGE = 0x27,
+
+	TI65913_SMPS45_CTRL = 0x28,
+	TI65913_SMPS45_TSTEP,
+	TI65913_SMPS45_FORCE,
+	TI65913_SMPS45_VOLTAGE,
+
+	TI65913_SMPS6_CTRL = 0x2C,
+	TI65913_SMPS6_TSTEP,
+	TI65913_SMPS6_FORCE,
+	TI65913_SMPS6_VOLTAGE,
+
+	TI65913_SMPS7_CTRL = 0x30,
+	TI65913_SMPS7_VOLTAGE = 0x33,
+
+	TI65913_SMPS8_CTRL = 0x34,
+	TI65913_SMPS8_TSTEP,
+	TI65913_SMPS8_FORCE,
+	TI65913_SMPS8_VOLTAGE,
+
+	TI65913_SMPS9_CTRL = 0x38,
+	TI65913_SMPS9_VOLTAGE = 0x3B,
+
+	TI65913_SMPS10_CTRL = 0x3C,
+	TI65913_SMPS10_STATUS = 0x3F,
+
+	TI65913_LDO1_CTRL = 0x50,
+	TI65913_LDO1_VOLTAGE,
+	TI65913_LDO2_CTRL,
+	TI65913_LDO2_VOLTAGE,
+	TI65913_LDO3_CTRL,
+	TI65913_LDO3_VOLTAGE,
+	TI65913_LDO4_CTRL,
+	TI65913_LDO4_VOLTAGE,
+	TI65913_LDO5_CTRL,
+	TI65913_LDO5_VOLTAGE,
+	TI65913_LDO6_CTRL,
+	TI65913_LDO6_VOLTAGE,
+	TI65913_LDO7_CTRL,
+	TI65913_LDO7_VOLTAGE,
+	TI65913_LDO8_CTRL,
+	TI65913_LDO8_VOLTAGE,
+	TI65913_LDO9_CTRL,
+	TI65913_LDO9_VOLTAGE,
+
+	TI65913_LDOLN_CTRL = 0x62,
+	TI65913_LDOLN_VOLTAGE = 0x63,
+	TI65913_LDOUSB_CTRL = 0x64,
+	TI65913_LDOUSB_VOLTAGE = 0x65,
+
+	TI65913_LDO_CTRL = 0x6A,
+	TI65913_LDO_PD_CTRL1 = 0x6B,
+	TI65913_LDO_PD_CTRL2 = 0x6C,
+
+	TI65913_LDO_SHORT_STATUS1 = 0x6D,
+	TI65913_LDO_SHORT_STATUS2 = 0x6E,
 };
 
 void pmic_init(unsigned bus);
 
-#endif /* __MAINBOARD_GOOGLE_RUSH_PMIC_H__ */
+#endif /* __MAINBOARD_GOOGLE_RUSH_RYU_PMIC_H__ */